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UefiCpuPkg/MpInitLib: Produce EDKII microcode patch HOB

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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2430

This commit will update the MpInitLib to:

A. Collect the base address and size information after microcode patches
   being loaded into memory;
B. Collect the detected microcode patch for each processor within system;
C. Based on the collected information, produce the EDKII microcode patch
   HOB.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
Hao A Wu
2019-12-23 14:32:49 +08:00
committed by mergify[bot]
parent 253909974a
commit e1ed55738e
5 changed files with 100 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
UefiCpuPkg/Library/MpInitLib/MpLib.h
View File

@@ -138,6 +138,7 @@ typedef struct {
EFI_EVENT WaitEvent;
UINT32 ProcessorSignature;
UINT8 PlatformId;
UINT64 MicrocodeEntryAddr;
} CPU_AP_DATA;
//
@@ -580,13 +581,15 @@ CheckAndUpdateApsStatus (
/**
Detect whether specified processor can find matching microcode patch and load it.
@param[in] CpuMpData The pointer to CPU MP Data structure.
@param[in] IsBspCallIn Indicate whether the caller is BSP or not.
@param[in] CpuMpData The pointer to CPU MP Data structure.
@param[in] ProcessorNumber The handle number of the processor. The range is
from 0 to the total number of logical processors
minus 1.
**/
VOID
MicrocodeDetect (
IN CPU_MP_DATA *CpuMpData,
IN BOOLEAN IsBspCallIn
IN UINTN ProcessorNumber
);
/**
@@ -619,5 +622,20 @@ EnableDebugAgent (
VOID
);
/**
Find the current Processor number by APIC ID.
@param[in] CpuMpData Pointer to PEI CPU MP Data
@param[out] ProcessorNumber Return the pocessor number found
@retval EFI_SUCCESS ProcessorNumber is found and returned.
@retval EFI_NOT_FOUND ProcessorNumber is not found.
**/
EFI_STATUS
GetProcessorNumber (
IN CPU_MP_DATA *CpuMpData,
OUT UINTN *ProcessorNumber
);
#endif